spring-boot-web-restfulcrud代码示例

package cn.yujiago.springboot.controller; import cn.yujiago.springboot.dao.DepartmentDao; import cn.yujiago.springboot.dao.EmployeeDao; import cn.yujiago.springboot.entities.Department; import cn.yujiago.springboot.entities.Employee; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.*; import java.util.Collection; @Controller public class EmployeeController { @Autowired private EmployeeDao employeeDao; @Autowired private DepartmentDao departmentDao; // 查询员工列表，并跳转到员工列表界面 @GetMapping("/emps") public String list(Model model){ Collection<Employee> employees = employeeDao.getAll(); model.addAttribute("emps", employees); // tymeleaf默认会拼串 // classpath:/templates/xxx.html return "emp/list"; } // 跳转到员工添加页面 @GetMapping("/emp") public String toAddPage(Model model){ // 获取部门信息，用于页面回显 Collection<Department> departments = departmentDao.getDepartments(); model.addAttribute("deps", departments); return "emp/add"; } // 添加员工 @PostMapping("/emp") public String add(Employee employee){ // 保存员工 employeeDao.save(employee); return "redirect:/emps"; } // 根据id查出员工信息，跳转到修改页面进行回显 @GetMapping("/emp/{id}") public String toEditPage(@PathVariable("id")Integer id, Model model){ // 根据id查出员工信息 Employee employee = employeeDao.get(id); // 获取部门信息，用于页面回显 Collection<Department> departments = departmentDao.getDepartments(); model.addAttribute("deps", departments); model.addAttribute("emp", employee); return "emp/add"; } // 修改员工信息 @PutMapping("/emp") public String edit(Employee employee){ employeeDao.save(employee); return "redirect:/emps"; } @DeleteMapping("/emp/{id}") public String delete(@PathVariable("id") Integer id){ employeeDao.delete(id); return "redirect:/emps"; } }